SPYW_EXFRIENDER


 PLATFORM:

Windows 2000, Windows XP, Windows Server 2003

 OVERALL RISK RATING:
 REPORTED INFECTION:
 SYSTEM IMPACT RATING:
 INFORMATION EXPOSURE:

  • Threat Type: Spyware

  • Destructiveness: No

  • Encrypted:

  • In the wild: Yes

  OVERVIEW

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

  TECHNICAL DETAILS

File Size:

1,543,648 bytes

File Type:

EXE

Memory Resident:

No

Initial Samples Received Date:

21 Aug 2013

Arrival Details

This spyware arrives on a system as a file dropped by other malware or as a file downloaded unknowingly by users when visiting malicious sites.

Installation

This spyware creates the following folders:

  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsc3.tmp
  • %Program Files%\SpyAlert
  • %Program Files%\SpyAlert\Chrome
  • %Program Files%\SpyAlert\Firefox
  • %Program Files%\SpyAlert\Firefox\chrome
  • %Program Files%\SpyAlert\Firefox\chrome\content
  • %Program Files%\SpyAlert\IE
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\Mozilla
  • %User Profile%\Mozilla\Firefox
  • %User Profile%\Firefox\extensions
  • %User Profile%\extensions\support@spyalertapp.com
  • %User Profile%\support@spyalertapp.com\chrome
  • %User Profile%\chrome\content

Autostart Technique

This spyware registers itself as a BHO to ensure its automatic execution every time Internet Explorer is used by adding the following registry keys:

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}

Other System Modifications

This spyware deletes the following files:

  • %User Temp%\nsn1.tmp
  • %User Temp%\nsc3.tmp

(Note: %User Temp% is the current user's Temp folder, which is usually C:\Documents and Settings\{user name}\Local Settings\Temp on Windows 2000, XP, and Server 2003, or C:\Users\{user name}\AppData\Local\Temp on Windows Vista and 7.)

It adds the following registry keys:

HKEY_CURRENT_USER\SOFTWARE\DynConIE

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Ext

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Policies\
Ext\CLSID

HKEY_CURRENT_USER\SOFTWARE\Microsoft\
Internet Explorer\MAO Settings

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\igjjkeeamkpihpncmmbgdkhdnjpcfmfb

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\{384997EE-E3BE-49C4-9ECA-C62B7C08128A}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\DynConIE.DLL

HKEY_CLASSES_ROOT\DynConIE.DynConIEObject.1

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
DynConIE.DynConIEObject.1\CLSID

HKEY_CLASSES_ROOT\DynConIE.DynConIEObject

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
DynConIE.DynConIEObject\CLSID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
DynConIE.DynConIEObject\CurVer

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\ProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\VersionIndependentProgID

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\Programmable

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\InprocServer32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\TypeLib

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0\
FLAGS

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0\
0

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0\
0\win32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0\
HELPDIR

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}\ProxyStubClsid

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}\ProxyStubClsid32

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}\TypeLib

HKEY_CURRENT_USER\Software\Microsoft\
Windows Script\Settings

It adds the following registry entries:

HKEY_CURRENT_USER\Software\DynConIE
cid = "d51c845d2d4e4bd3"

HKEY_CURRENT_USER\Software\DynConIE
id = "d51c845d2d4e4bd3ac785136aebe0514"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
DisplayIcon = "%Program Files%\SpyAlert\SpyAlert.ico"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
DisplayName = "Spy Alert"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
Publisher = "Long Mile Solutions, LLC"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
HelpLink = "http://www.{BLOCKED}rtapp.com/about.html"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
DisplayVersion = "2.6.20"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
UninstallString = "%Program Files%\SpyAlert\uninstall.exe /kb=y"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
EstimatedSize = "451"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Uninstall\
SpyAlert
InstallDate = "20130614"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext
ListBox_Support_CLSID = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\policies\
Ext\CLSID
{FED6A736-129B-49C7-857E-25FC91E87DB3} = "1"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MAO Settings
AddonLoadTimeThreshold = "3e8"

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\igjjkeeamkpihpncmmbgdkhdnjpcfmfb
version = "2.6.20"

HKEY_LOCAL_MACHINE\SOFTWARE\Google\
Chrome\Extensions\igjjkeeamkpihpncmmbgdkhdnjpcfmfb
path = "%Program Files%\SpyAlert\Chrome\common.crx"

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\MAO Settings
AddonLoadTimeThreshold = "271"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
AppID\DynConIE.DLL
AppID = "{384997EE-E3BE-49C4-9ECA-C62B7C08128A}"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\InprocServer32
ThreadingModel = "Apartment"

HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\
Windows\CurrentVersion\Explorer\
Browser Helper Objects\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
NoExplorer = "1"

HKEY_LOCAL_MACHINE\SOFTWARE\Classes\
Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}\TypeLib
Version = "1.0"

HKEY_CURRENT_USER\Software\DynConIE
ver = "2.6.20628"

HKEY_CURRENT_USER\Software\Microsoft\
Windows Script\Settings
JITDebug = "0"

It modifies the following registry entries:

HKEY_CURRENT_USER\Software\Microsoft\
Windows\CurrentVersion\Internet Settings\
Zones\3
1609 = "0"

(Note: The default value data of the said registry entry is 1.)

It deletes the following registry keys:

HKEY_CURRENT_USER\Software\Microsoft\
Internet Explorer\ApprovedExtensionsMigration

Dropping Routine

This spyware drops the following files:

  • %User Temp%\nsc3.tmp\System.dll
  • %User Temp%\nsc3.tmp\modern-wizard.bmp
  • %User Temp%\nsc3.tmp\inetc.dll
  • %User Temp%\nsc3.tmp\response.txt
  • %User Temp%\nsc3.tmp\nsDialogs.dll
  • %User Temp%\nsc3.tmp\Processes.dll
  • %User Temp%\nsc3.tmp\KillProcWMI.dll
  • %Program Files%\SpyAlert\SpyAlert.ico
  • %Program Files%\SpyAlert\Chrome\common.crx
  • %Program Files%\SpyAlert\Firefox\chrome.manifest
  • %Program Files%\SpyAlert\Firefox\install.rdf
  • %Program Files%\SpyAlert\Firefox\chrome\content\main.js
  • %Program Files%\SpyAlert\Firefox\chrome\content\overlay.xul
  • %Program Files%\SpyAlert\IE\common.dll
  • %Program Files%\SpyAlert\Uninstall.exe
  • %User Profile%\support@spyalertapp.com\chrome.manifest
  • %User Profile%\support@spyalertapp.com\install.rdf
  • %User Profile%\content\main.js
  • %User Profile%\content\overlay.xul
  • %User Temp%\nsc3.tmp\util_ex.dll
  • %User Temp%\nsc3.tmp\version.dll

Other Details

This spyware connects to the following possibly malicious URL:

  • http://s.{BLOCKED}rtapp.com/InsertInstallNotice3.ashx?{random characters}

This report is generated via an automated analysis system.

  SOLUTION

Minimum Scan Engine:

9.300

Step 1

Before doing any scans, Windows XP, Windows Vista, and Windows 7 users must disable System Restore to allow full scanning of their computers.

Step 2

Close all opened browser windows

Step 3

Delete this registry key

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\SOFTWARE
    • DynConIE
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall
    • SpyAlert
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies
    • Ext
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Ext
    • CLSID
  • In HKEY_CURRENT_USER\SOFTWARE\Microsoft\Internet Explorer
    • MAO Settings
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions
    • igjjkeeamkpihpncmmbgdkhdnjpcfmfb
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID
    • {384997EE-E3BE-49C4-9ECA-C62B7C08128A}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID
    • DynConIE.DLL
  • In HKEY_CLASSES_ROOT
    • DynConIE.DynConIEObject.1
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\DynConIE.DynConIEObject.1
    • CLSID
  • In HKEY_CLASSES_ROOT
    • DynConIE.DynConIEObject
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\DynConIE.DynConIEObject
    • CLSID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\DynConIE.DynConIEObject
    • CurVer
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID
    • {44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
    • ProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
    • VersionIndependentProgID
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
    • Programmable
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
    • InprocServer32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
    • TypeLib
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib
    • {781CA792-9B6E-400B-B36F-15C097D2CA54}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}
    • 1.0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0
    • FLAGS
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0
    • 0
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0\0
    • win32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\TypeLib\{781CA792-9B6E-400B-B36F-15C097D2CA54}\1.0
    • HELPDIR
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface
    • {2830488C-079B-45C2-88B6-AFE4EAA2DF85}
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}
    • ProxyStubClsid
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}
    • ProxyStubClsid32
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}
    • TypeLib
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows Script
    • Settings

Step 4

Delete this registry value

[ Learn More ]

Important: Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this step only if you know how or you can ask assistance from your system administrator. Else, check this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\DynConIE
    • cid = "d51c845d2d4e4bd3"
  • In HKEY_CURRENT_USER\Software\DynConIE
    • id = "d51c845d2d4e4bd3ac785136aebe0514"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • DisplayIcon = "%Program Files%\SpyAlert\SpyAlert.ico"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • DisplayName = "Spy Alert"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • Publisher = "Long Mile Solutions, LLC"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • HelpLink = "http://www.{BLOCKED}rtapp.com/about.html"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • DisplayVersion = "2.6.20"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • UninstallString = "%Program Files%\SpyAlert\uninstall.exe /kb=y"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • EstimatedSize = "451"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\SpyAlert
    • InstallDate = "20130614"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext
    • ListBox_Support_CLSID = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\policies\Ext\CLSID
    • {FED6A736-129B-49C7-857E-25FC91E87DB3} = "1"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MAO Settings
    • AddonLoadTimeThreshold = "3e8"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\igjjkeeamkpihpncmmbgdkhdnjpcfmfb
    • version = "2.6.20"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Google\Chrome\Extensions\igjjkeeamkpihpncmmbgdkhdnjpcfmfb
    • path = "%Program Files%\SpyAlert\Chrome\common.crx"
  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer\MAO Settings
    • AddonLoadTimeThreshold = "271"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\AppID\DynConIE.DLL
    • AppID = "{384997EE-E3BE-49C4-9ECA-C62B7C08128A}"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}\InprocServer32
    • ThreadingModel = "Apartment"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects\{44ed99e2-16a6-4b89-80d6-5b21cf42e78b}
    • NoExplorer = "1"
  • In HKEY_LOCAL_MACHINE\SOFTWARE\Classes\Interface\{2830488C-079B-45C2-88B6-AFE4EAA2DF85}\TypeLib
    • Version = "1.0"
  • In HKEY_CURRENT_USER\Software\DynConIE
    • ver = "2.6.20628"
  • In HKEY_CURRENT_USER\Software\Microsoft\Windows Script\Settings
    • JITDebug = "0"

Step 5

Restore these modified registry values

[ Learn More ]

Important:Editing the Windows Registry incorrectly can lead to irreversible system malfunction. Please do this only if you know how to or you can seek your system administrator's help. You may also check out this Microsoft article first before modifying your computer's registry.

  • In HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Zones\3
    • From: 1609 = "0"
      To: 1609 = ""1""

Step 6

Search and delete these components

[ Learn More ]
There may be some components that are hidden. Please make sure you check the Search Hidden Files and Folders checkbox in the "More advanced options" option to include all hidden files and folders in the search result.
  • %User Temp%\nsc3.tmp\System.dll
  • %User Temp%\nsc3.tmp\modern-wizard.bmp
  • %User Temp%\nsc3.tmp\inetc.dll
  • %User Temp%\nsc3.tmp\response.txt
  • %User Temp%\nsc3.tmp\nsDialogs.dll
  • %User Temp%\nsc3.tmp\Processes.dll
  • %User Temp%\nsc3.tmp\KillProcWMI.dll
  • %Program Files%\SpyAlert\SpyAlert.ico
  • %Program Files%\SpyAlert\Chrome\common.crx
  • %Program Files%\SpyAlert\Firefox\chrome.manifest
  • %Program Files%\SpyAlert\Firefox\install.rdf
  • %Program Files%\SpyAlert\Firefox\chrome\content\main.js
  • %Program Files%\SpyAlert\Firefox\chrome\content\overlay.xul
  • %Program Files%\SpyAlert\IE\common.dll
  • %Program Files%\SpyAlert\Uninstall.exe
  • %User Profile%\support@spyalertapp.com\chrome.manifest
  • %User Profile%\support@spyalertapp.com\install.rdf
  • %User Profile%\content\main.js
  • %User Profile%\content\overlay.xul
  • %User Temp%\nsc3.tmp\util_ex.dll
  • %User Temp%\nsc3.tmp\version.dll

Step 7

Search and delete these folders

[ Learn More ]
Please make sure you check the Search Hidden Files and Folders checkbox in the More advanced options option to include all hidden folders in the search result.
  • %System Root%\DOCUME~1
  • %System Root%\DOCUME~1\Wilbert
  • %User Profile%\LOCALS~1
  • %User Temp%\nsc3.tmp
  • %Program Files%\SpyAlert
  • %Program Files%\SpyAlert\Chrome
  • %Program Files%\SpyAlert\Firefox
  • %Program Files%\SpyAlert\Firefox\chrome
  • %Program Files%\SpyAlert\Firefox\chrome\content
  • %Program Files%\SpyAlert\IE
  • %System Root%\Documents and Settings\Wilbert
  • %User Profile%\Application Data\Mozilla
  • %User Profile%\Mozilla\Firefox
  • %User Profile%\Firefox\extensions
  • %User Profile%\extensions\support@spyalertapp.com
  • %User Profile%\support@spyalertapp.com\chrome
  • %User Profile%\chrome\content

Step 8

Scan your computer with your Trend Micro product to delete files detected as SPYW_EXFRIENDER. If the detected files have already been cleaned, deleted, or quarantined by your Trend Micro product, no further step is required. You may opt to simply delete the quarantined files. Please check this Knowledge Base page for more information.

Step 9

Restore this file from backup only Microsoft-related files will be restored. If this malware/grayware also deleted files related to programs that are not from Microsoft, please reinstall those programs on you computer again.

  • %User Temp%\nsn1.tmp
  • %User Temp%\nsc3.tmp

Step 10

Restore these deleted registry keys/values from backup

*Note: Only Microsoft-related keys/values will be restored. If the malware/grayware also deleted registry keys/values related to programs that are not from Microsoft, please reinstall those programs on your computer.

  • In HKEY_CURRENT_USER\Software\Microsoft\Internet Explorer
    • ApprovedExtensionsMigration


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